/**
 * olam policy-check — validate PR policies against the current diff.
 *
 * Reads `.olam/policies/*.md` from the workspace root, diffs the current
 * branch against origin/main (or a custom base), and exits non-zero if
 * any error-severity policy is violated.
 *
 *   olam policy-check                     check from cwd against origin/main
 *   olam policy-check --base origin/HEAD  custom base ref
 *   olam policy-check --workspace <path>  custom workspace root
 */
import type { Command } from 'commander';
export declare function registerPolicyCheck(program: Command): void;
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